franklin is an fbi analyst. it's the first shooting in fairfax county, virginia, and takes place 50 miles from the previous shooting in spotsylvania county. a witness claims to have seen the shooter flee the scene in a white van. >> it's been determined through further investigation that the information is not credible. >> but the damage is done. the sniper hotline already inundated is again flooded with sightings of white vans. >> i believe we got over 115,000 tips, 16,000 of those were viable leads that needed to be followed up on. >> almost lost among all of the phone calls are several from the snipers to the police. >> don't say anything, just listen. >> they were calling the task force, they were calling rockville city police, and they also called montgomery county police. >> in one, the caller says we've called three times trying to set up negotiations. we've gotten no response. people have died. the lady didn't have to die. >> i think they wanted to get a message across to us. >> the 12th victim and third